suricata checkin based on commit id a4bce14770beee46a537eda3c3f6e8e8565d5d0a

Change-Id: I9a214fa0ee95e58fc640e50bd604dac7f42db48f

1 files changed, 89 insertions, 0 deletions

diff --git a/framework/src/suricata/src/decode-null.c b/framework/src/suricata/src/decode-null.c
new file mode 100644
index 00000000..b3bcb066
--- /dev/null
+++ b/framework/src/suricata/src/decode-null.c
@@ -0,0 +1,89 @@
+/* Copyright (C) 2015 Open Information Security Foundation
+ *
+ * You can copy, redistribute or modify this Program under the terms of
+ * the GNU General Public License version 2 as published by the Free
+ * Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/**
+ * \ingroup decode
+ *
+ * @{
+ */
+
+
+/**
+ * \file
+ *
+ * \author Victor Julien <victor@inliniac.net>
+ *
+ * Decode linkype null:
+ * http://www.tcpdump.org/linktypes.html
+ */
+
+#include "suricata-common.h"
+#include "decode.h"
+#include "decode-raw.h"
+#include "decode-events.h"
+
+#include "util-unittest.h"
+#include "util-debug.h"
+
+#include "pkt-var.h"
+#include "util-profiling.h"
+#include "host.h"
+
+#define HDR_SIZE 4
+
+int DecodeNull(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, uint8_t *pkt, uint16_t len, PacketQueue *pq)
+{
+    StatsIncr(tv, dtv->counter_null);
+
+    if (unlikely(len < HDR_SIZE)) {
+        ENGINE_SET_INVALID_EVENT(p, LTNULL_PKT_TOO_SMALL);
+        return TM_ECODE_FAILED;
+    }
+
+    uint32_t type = *((uint32_t *)pkt);
+    switch(type) {
+        case AF_INET:
+            SCLogDebug("IPV4 Packet");
+            DecodeIPV4(tv, dtv, p, GET_PKT_DATA(p)+HDR_SIZE, GET_PKT_LEN(p)-HDR_SIZE, pq);
+            break;
+        case AF_INET6:
+            SCLogDebug("IPV6 Packet");
+            DecodeIPV6(tv, dtv, p, GET_PKT_DATA(p)+HDR_SIZE, GET_PKT_LEN(p)-HDR_SIZE, pq);
+            break;
+        default:
+            SCLogDebug("Unknown Null packet type version %" PRIu32 "", type);
+            ENGINE_SET_EVENT(p, LTNULL_UNSUPPORTED_TYPE);
+            break;
+    }
+    return TM_ECODE_OK;
+}
+
+#ifdef UNITTESTS
+
+#endif /* UNITTESTS */
+
+/**
+ * \brief Registers Null unit tests
+ */
+void DecodeNullRegisterTests(void)
+{
+#ifdef UNITTESTS
+#endif /* UNITTESTS */
+}
+/**
+ * @}
+ */